Twirssi allows you to post to Twitter and Identi.ca from your favorite
IRC client, as well as:

- Read your friend feed, and your replies (from people on and not on
your feed)
- Receive and send direct messages (DMs)
- Use multiple accounts, on either twitter or identi.ca
- follow, read and post
- See the context when your friends reply to users you aren't
following
